<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Bootstrap</title>

    <link href="./bootstrap-3.3.7/dist/css/bootstrap.min.css">
    <script src="jquery/jquery-3.4.1.min.js"></script>
    <script src="bootstrap-3.3.7/dist/js/bootstrap.min.js"></script>

</head>
<body>
<button class="btn btn-info "> hello world !</button>
</body>
</html>
